Class 10 Maths MCQs on Median and Mode of Grouped Data
Class 10 Maths MCQs on Median and Mode of Grouped Data
Class: 10 | Subject: Mathematics
Chapter 13: Statistics
Board: CBSE Board Examination (Strictly Based on Latest NCERT Curriculum)
1. The formula for Median of grouped data is:
Correct Answer: A
Explanation: Median = l + [(N/2 − cf)/f] × h, where l = lower boundary, cf = cumulative frequency before median class.
Explanation: Median = l + [(N/2 − cf)/f] × h, where l = lower boundary, cf = cumulative frequency before median class.
2. Modal class is the class with:
Correct Answer: B
Explanation: Modal class has maximum frequency.
Explanation: Modal class has maximum frequency.
3. The formula for Mode is:
Correct Answer: A
Explanation: Mode = l + [(f1 − f0)/(2f1 − f0 − f2)] × h.
Explanation: Mode = l + [(f1 − f0)/(2f1 − f0 − f2)] × h.
4. If N = 100, N/2 equals:
Correct: A
Explanation: N/2 = 100/2 = 50.
Explanation: N/2 = 100/2 = 50.
5. Cumulative frequency is:
Correct: A
Explanation: It is running total of frequencies.
Explanation: It is running total of frequencies.
6. If median class is 20–30, l =
Correct:A
Explanation: Lower boundary is 20.
Explanation: Lower boundary is 20.
7. If frequencies are equal, mode is:
Correct:B
Explanation: No distinct highest frequency.
Explanation: No distinct highest frequency.
8. Median divides data into:
Correct:A
Explanation: By definition.
Explanation: By definition.
9. Mode represents:
Correct:A
Explanation: Most common value.
Explanation: Most common value.
10. If N=60, median position:
Correct:A
Explanation: N/2=30.
Explanation: N/2=30.
11. In mode formula f1 represents:
Correct:A
Explanation: f1 is modal class frequency.
Explanation: f1 is modal class frequency.
12. f0 represents:
Correct:A
Explanation: f0 = preceding frequency.
Explanation: f0 = preceding frequency.
13. f2 represents:
Correct:A
Explanation: f2 = succeeding class frequency.
Explanation: f2 = succeeding class frequency.
14. If class width increases, h increases:
Correct:A
Explanation: h = class size.
Explanation: h = class size.
15. Median always lies within:
Correct:A
Explanation: By formula.
Explanation: By formula.
16. Mode lies in:
Correct:A
Explanation: Maximum frequency class.
Explanation: Maximum frequency class.
17. If cf exceeds N/2 first time, that class is:
Correct:A
Explanation: Definition of median class.
Explanation: Definition of median class.
18. Mode is best used for:
Correct:A
Explanation: Represents highest occurrence.
Explanation: Represents highest occurrence.
19. Median formula subtracts cf because:
Correct:A
Explanation: To find exact position within class.
Explanation: To find exact position within class.
20. In grouped data, mean, median and mode may:
Correct:B
Explanation: Depends on distribution shape.
Explanation: Depends on distribution shape.
